The Spine from Steam Powered Giraffe.
Whew, started like half a year ago, but stuff kept getting in the way. So, this is (hopefully) going to be the last time I only use a mouse in a drawing. Gah.
But I do really have to stress that I painted this over a screenshot I took of a video. Everything you see is something I drew though. Think of it as a painterly effect I did to a photo, just, I placed every brushstroke.